Machu Picchu, Petra y Angkor W
Who could imagine that in a straight line over 40000 km above the surface of the earth a technologically superior civilization built (or had built) thousands of years ago things like Machu Picchu, Cusco, the Pyramids of Giza, Petra, Persepolis, Mohenjo daro, Angkor Wat, the Moai of Easter Island and